<template>
  <div class="header">
    <div>
      this is header
    </div>
  </div>
</template>

<script lang="ts">
import { defineComponent, reactive, ref } from 'vue'
export default defineComponent({
  name: 'header-top',
  setup() {
    let text = ref('hello world')
    return { text }
  },
})
</script>

<style lang="scss" scoped>
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  width: 100%;
  height: 50px;
  box-shadow: 0 2px 4px #ccc;
}
</style>
